Home / 1,212,124.60-1,818,041.10-502,078.60

Finding the Fourth Proportional to 1,212,124.60, 1,818,041.10 and 502,078.60

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Solution

The fourth proportional to 1,212,124.60, 1,818,041.10 and 502,078.60 is: 753,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,124.60 : 1,818,041.10 = 502,078.60 : x
  2. Step 2: Convert to fraction form
    1,212,124.60/1,818,041.10 = 502,078.60/x
  3. Step 3: Cross multiply
    1,212,124.60x = 1,818,041.10 × 502,078.60
  4. Step 4: Simplify right side
    1,212,124.60x = 912,799,530,230.46
  5. Step 5: Solve for x
    x = 912,799,530,230.46/1,212,124.60
  6. Step 6: Final answer
    x = 753,057.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.